Mass per volume density.
Carats per Cup to Drams per Teaspoon Converter — ct/cup to dr/tsp
Convert Carat per Cup (ct/cup) to Dram per Teaspoon (dr/tsp) using the exact conversion factor (1 carat per cup = 0.0023515975 dram per teaspoon). See the formula, worked examples, and conversion table.
Carats per Cup to Drams per Teaspoon converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 0.8453505675 / 359.479282.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Cup to Drams per Teaspoon
Carat per Cup and Dram per Teaspoon both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
drams per teaspoon = carats per cup × 0.00235159746331
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per cup equals 0.845350567546 base units, and 1 dram per teaspoon equals 359.479281951 base units, so dividing one by the other gives the direct carat per cup-to-dram per teaspoon factor of 0.00235159746331.
Simple example
1 ct/cup × 0.002351597463 = 0.0023515975 dr/tsp
1 carat per cup = 0.0023515975 drams per teaspoon.
Real-world example
1,000 ct/cup × 0.002351597463 = 2.351597463 dr/tsp
1,000 carats per cup = 2.351597463 drams per teaspoon.
Conversion table
| Carat per Cup (ct/cup) | Dram per Teaspoon (dr/tsp) |
|---|---|
| 0.1 ct/cup | 0.0002351597 dr/tsp |
| 1 ct/cup | 0.0023515975 dr/tsp |
| 10 ct/cup | 0.0235159746 dr/tsp |
| 100 ct/cup | 0.2351597463 dr/tsp |
| 1,000 ct/cup | 2.351597463 dr/tsp |
| 10,000 ct/cup | 23.51597463 dr/tsp |
Reverse conversion: Dram per Teaspoon to Carat per Cup
0.0023515975 dr/tsp × 425.2428469 = 1.000000016 ct/cup
0.0023515975 drams per teaspoon = 1.000000016 carats per cup.
carats per cup = drams per teaspoon × 425.242846875
For a page dedicated to this direction, see Dram per Teaspoon to Carat per Cup.
Understanding the Carat per Cup (ct/cup)
Mass per volume density.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per teaspoon are in 1 carat per cup?
1 carat per cup equals 0.0023515975 drams per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert carat per cup to dram per teaspoon?
Multiply the carat per cup value by 0.002351597463. The converter above does this instantly to whatever precision you set.
How do I convert dram per teaspoon back to carat per cup?
Use the reverse factor: 1 dram per teaspoon equals 425.2428469 carats per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per cup?
Carat per Cup (ct/cup) is a unit of density.
What is a dram per teaspoon?
Dram per Teaspoon (dr/tsp) is a unit of density.
Is the carat per cup to dram per teaspoon conversion exact?
Yes. Both carat per cup and dram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.002351597463 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.